Relational database is a digital database whose organization is based on the relational model of data, as proposed by E. F. Codd in 1970.

(3aii)

-Tables

-forms

-queries

(3aiii)

A program file refers to sets of instructions that are put together to build up the application you will be using. Several files are linked between each other to see the application that pops in your screen.

A data file is basically the application's feeding as it provides what is needed for your program to work and convert single pieces of data on understandable information.

(3bi)

Two way, real-time transmission of audio and video signals between specialized devices or computers at two or more locations via satellite (wireless) over a network such as a LAN or

internet.

(3bii)

1. No time constraint:

2. Dramatic travel saving:

3. Easy communication:

4. Increased productivity:

(5)

-Systematic gathering

-Recording

-Analyzing of data

-Collection of data

-Decision making

-Systematic gathering: Is d collection of data frm various sources to gather common knowledge of the people/customers

-Recording: Is the documentation of the data and

-Analyzing of data is when the idea,knowledge dat are collected frm random people are worked on by the research agents

-Collection of data: Is when the research agent use various methods to bring various ideas together from several customers

-Decision making: Is when the data are collected and analysed & are considered for usage

(9a)

-He decides the demand of the product at that time

-He helps to make arrangement for storage facilities

-He helps to fix the price for the price for the agricultural product

-He helps to look at the quality and quantity of agricultural product to be marketed

-He helps to grade the agricultural product

(9b)

-Facilitator helps to decide where there is the demand for the processed food

-He also helps in fixing the good price for the product

-He decides on how to store the product in the case of excess

-He will decide the quality of the product

-He helps in grading of the product

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